阳明经证与阳明腑证的鉴别要点是A．有无神志变化 B．有无发热 C．有无燥屎内结 D．

右图是1946年丁聪创作的漫画《民“主”曰：“逆我者亡”》，对漫画的正确解读是

A．揭露国民党统治下所谓的“民主”

B．表达了人们对言论自由的渴望

C．揭露国民党“假和平，真内战”的阴谋

D．号召人们为民主自由而斗争

请将下列句子改为同义句，每空一词。

1. It's time for lunch.

    It's time                         lunch.

2. I had a great time in Beijing.

    I                         in Beijing.

3. We would like to buy some food.

    We                          buy some food.

4. Beijing is not near our city.

    Beijing is                          our city.

5. The student likes to walk to school.

    The student likes to go to school                         .

6. My father bought me a computer yesterday.

    My father bought a                         me yesterday.

7. Let's show the way to you.

    Let's show             the             .

8. I'm very tired and can't walk home.

    I'm             tired              walk home.

9. A plane is faster than a train.

    A train is             than a            .

10. I want to send a letter to her.

      I want to send                         letter.

下述类型的调节器在调节系统中不能单独作用的是（）。

B、PI调节器

C、P调节器

D、D调节器

下列说法或表述正确的是

A由水电离产生的c(H⁺)＝1×10^－2mol•L^－1溶液中，可能存在:CO₃^2－、NH₄⁺、Cl^-、Na⁺

B某醋酸稀溶液的pH＝a，将此溶液稀释1倍后，溶液的pH＝b，则a＞b

C Ba(OH)₂溶液中加人过量的Al₂(SO₄)₃溶液，其离子方程式为：3Ba²⁺+6OH^- +2Al³⁺ +3SO₄^2-＝3BaSO₄↓+2Al(OH)₃↓

D物质的量浓度均为1 mol•L^－1的NaCl和MgCl₂混合液中，含有Cl^-的数目为3N_A（N_A表示阿伏加德罗常数的值）

电气绝缘电阻测试应由有资质的检测单位进行（）